High-order Raman sidebands generated from the near-infrared to ultraviolet region by four-wave Raman mixing of hydrogen using an ultrashort two-color pump beam

被引：18

作者：

Shitamichi, Osamu ^{[1
]}

Imasaka, Totaro ^{[1
,2
]}

机构：

[1] Kyushu Univ, Grad Sch Engn, Dept Appl Chem, Nishi Ku, Fukuoka 8190395, Japan

[2] Kyushu Univ, Ctr Future Chem, Div Translat Res, Nishi Ku, Fukuoka 8190395, Japan

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 25期

基金：

日本学术振兴会;

关键词：

PHASE MODULATION; OPTICAL PULSES; SCATTERING; LASER; LINES;

D O I：

10.1364/OE.20.027959

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A two-color pump beam consisting of a fundamental beam of a Ti: sapphire laser (35 fs, 802 nm) and a signal beam generated by optical parametric amplification (55 fs, 1203 nm) was utilized to generate multiple Raman sidebands by vibrational four-wave Raman mixing. The second harmonic emission (401 nm) was further employed as a seed beam for enhancing efficiency. Numerous sidebands emitting at 602, 481, 344, 301, 267, 241, 219, 200, and 185 nm were observed by irradiating the beam onto a screen coated with sodium salicylate. The spectral band width of these emission lines was capable of generating 0.9-fs optical pulses by Fourier synthesis. (C) 2012 Optical Society of America

引用

页码：27959 / 27965

页数：7

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